MO55
‐
en
‐
GB_V1.0
02/16
2
Introduction
Thank
you
for
selecting
the
Extech
MO55
Pin
and
Pinless
Dual
Moisture
Meter.
The
compact
MO55
takes
quick
Moisture
level
reference
measurements
(in
percent
%)
on
wood
and
building
materials.
The
MO55
can
be
used
in
pinless
mode
(rear
sensor)
or
in
pin
mode.
The
MO55
is
simple
to
operate
and
offers
measurement
digits,
audible
tones
and
‘moisture
drop’
icons
to
indicate
moisture
level
content.
The
MO55
is
ideal
for
building
restoration
projects
and
applications
where
moisture
detection
on
floors
and
under
carpets
is
critical.
The
MO55
is
a
great
tool
for
analyzing
the
after
‐
effects
of
water
leakage
behind
walls
and
in
ceilings.
This
meter
is
shipped
fully
tested
and
calibrated
and,
with
proper
use,
will
provide
years
of
reliable
service.
Please
visit
our
website
(www.extech.com)
to
check
for
the
latest
version
of
this
User
Guide,
Product
Updates,
Product
Registration,
and
Customer
Support.
Features
Displays
the
moisture
level
in
wood
and
building
materials
(wall
board,
sheet
rock,
cardboard,
plaster,
concrete,
and
mortar)
Pinless
(non
‐
invasive)
or
Pin
modes
of
operation
Auto
zero
calibration
for
Pinless
mode
Audible
tone
rate
beeps
faster
as
the
moisture
level
increases
(8
tone
variations)
‘Moisture
drop’
Icons
display
low,
medium
and
high
levels
of
moisture
content
Easy
‐
to
‐
use,
compact
design
Display
Lock
freezes
reading
on
display
Auto
Power
Off
after
2
minutes
conserves
battery
power
Complete
with
extra
pins
(4),
protective
cap,
and
9V
battery
Shop for Extech products at:
1.877.766.5412
ShopExtech
.com
